1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index c0e0ae2bb8e7..9a8b15e6377a 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -37,6 +37,13 @@ extern int usb_match_device(struct usb_device *dev,
 extern void usb_forced_unbind_intf(struct usb_interface *intf);
 extern void usb_rebind_intf(struct usb_interface *intf);
 
+extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
+                void *owner);
+extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
+                void *owner);
+extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
+extern bool usb_device_is_owned(struct usb_device *udev);
+
 extern int  usb_hub_init(void);
 extern void usb_hub_cleanup(void);
 extern int usb_major_init(void);